vol14no1pa7

References

[1] Hassan, A.H., “Structural Behavior of Thin Ferrocmenet Folded Plate Roof Structures”, M.Sc. Thesis, University ofTechnology, Building and Construction Department, Baghdad-Iraq, October 1989.

[2] Al-Ihmedawi, A.N., “Thin Ferrocement Shell Structures”,M.Sc. Thesis, University of Technology, Building and Construction Department, Baghdad – Iraq, September.1994

[3] Khalaf, S.H., “Structural Behavior of Long – Span Ferrocment Roofs”, M. Sc. Thesis, University ofTechnology, Building and Construction Department, Baghdad-Iraq, February 1998.

[4] Ahmed, A.M., “Thin Ferrocement Dome Structures”,M. Sc. Thesis, University of Technology, Building and Construction Department, Baghdad-Iraq, March 1999.

 

Tikrit Journal of Engineering Sciences (2007) 14(1) 18-44

Nonlinear Finite Element Analysis of Ferro-cement Slabs and Shell Roofs 

Mohamad N. Mahmood Sura A. Majeed
Civil Eng. Dept., Mosul University, Iraq

Abstract

The present work involves developing an analytical model to study the behavior of ferro-cement slabs and shell roofs, and to adopt the most realable constitutive relationships for the mortar material to predict the nonlinear response of ferro-cement roofs by using the finite element method. To represent the mortar and wire mesh, a layered approach is used. Mortar is considered as a strain-hardening material and exhibiting strain-hardening behavior till it reaches the peak stress, beyond which, mortar enters the descending portion (strain softening) until it reaches the crushing strain. Tension stiffening is used to model the post- cracking tensile strength of the mortar. Under further loading in post-cracking stage shear retention is used to model the shear transfer throughout the cracks. The behavior of steel reinforcement and wire mesh is considered as elastic perfectly plastic with linear strain hardening. The predicted results of ferro-cement slab and cylindrical shell roofs had shown a good agreement with the published experimental results.

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Keywords: Ferrocement, Mortar, Shell Roofs, Wire Mesh, Finite Element, Non-linear Analysis.

How to cite

TJES: Mahmood MN, Majeed SA. Nonlinear Finite Element Analysis of Ferro-cement Slabs and Shell RoofsTikrit Journal of Engineering Sciences 2007; 14(1): 18-44.
APA: Mahmood, M. N., & Majeed, S. A. (2007). Nonlinear Finite Element Analysis of Ferro-cement Slabs and Shell Roofs. Tikrit Journal of Engineering Sciences, 14(1), 18-44.
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